<template>
  <div class="manager-container">
    <div class="app-container">
      <el-form :model="queryParams" ref="queryForm" v-show="showSearch" :inline="true">
        <el-form-item label="角色名称" prop="roleName">
          <el-input
            v-model="queryParams.roleName"
            placeholder="请输入角色名称"
            clearable
            size="default"
            style="width: 240px"
            @keyup.enter.native="handleQuery"
          />
        </el-form-item>
        <el-form-item label="权限字符" prop="roleKey">
          <el-input
            v-model="queryParams.roleKey"
            placeholder="请输入权限字符"
            clearable
            size="default"
            style="width: 240px"
            @keyup.enter.native="handleQuery"
          />
        </el-form-item>
        <el-form-item label="状态" prop="status">
          <el-select
            v-model="queryParams.status"
            placeholder="角色状态"
            clearable
            size="default"
            style="width: 240px"
          >
            <el-option label="正常" value="0">正常</el-option>
            <el-option label="停用" value="1">停用</el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="创建时间">
          <el-date-picker
            v-model="dateRange"
            style="width: 240px"
            value-format="YYYY-MM-DD"
            type="daterange"
            start-placeholder="开始日期"
            end-placeholder="结束日期"
          ></el-date-picker>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" size="default" @click="handleQuery">
            <i class="iconfont icon-chaxun">查询</i>
          </el-button>
          <el-button size="default" @click="resetQuery">
            <i class="iconfont icon-chongzhi">重置</i>
          </el-button>

        </el-form-item>
      </el-form>

      <el-row :gutter="10" class="mb8">

        <el-col :span="1.5">
          <el-button
            type="primary"
            size="default"
            @click="handleAdd"
            v-if="permissiones(['system:role:add'])"
          >
            <i class="iconfont icon-tianjia">新增</i>
          </el-button>
        </el-col>
        <el-col :span="1.5">
          <el-button
            type="primary"
            size="default"
            :disabled="single"
            @click="handleUpdate"
            v-if="permissiones(['system:role:edit'])"
          >
            <i class="iconfont icon-bianji">编辑</i>
          </el-button>
        </el-col>
        <el-col :span="1.5">
          <el-button
            size="default"
            :disabled="multiple"
            @click="handleDelete"
            v-if="permissiones(['system:role:remove'])"
          >
            <i class="iconfont icon-shanchu">批量删除</i>
          </el-button>
        </el-col>
        <el-col :span="1.5">
          <el-button
            type="primary"
            size="default"
            @click="handleExport"
            v-if="permissiones(['system:role:export'])"
          >
            <i class="iconfont icon-daochu">导出</i>
          </el-button>
        </el-col>
      </el-row>

      <el-table
        :header-cell-style="{background:'#fafafa'}"
        :border="true"
        :data="roleList"
        @selection-change="handleSelectionChange"
        v-loading="loading"
      >
        <el-table-column type="selection" width="55" align="center"/>
        <!-- <el-table-column label="角色编号" prop="roleId"/> -->
        <el-table-column label="角色名称" prop="roleName" :show-overflow-tooltip="true" align="center"/>
        <el-table-column label="权限字符" prop="roleKey" :show-overflow-tooltip="true" align="center"/>
        <el-table-column label="显示顺序" prop="roleSort" align="center"/>
        <el-table-column label="状态" align="center" prop="status">
          <template #default="scope">
            <el-switch
              v-model="scope.row.status"
              active-value="0"
              inactive-value="1"
              @change="handleStatusChange(scope.row)"
            ></el-switch>
          </template>
        </el-table-column>
        <el-table-column label="创建时间" align="center" prop="createTime" width="180">
          <template #default="scope">
            <span>{{ scope.row.createTime }}</span>
          </template>
        </el-table-column>
        <el-table-column
          label="操作"
          align="center"
          class-name="small-padding fixed-width"
          width="200"
        >
          <template #default="scope">
            <el-button
              plain
              size="default"
              type="text"
              @click="handleUpdate(scope.row)"
              v-if="permissiones(['system:role:edit'])"
            >编辑</el-button>
            <el-divider direction="vertical"></el-divider>
            <el-button
              plain
              size="default"
              type="text"
              @click="handleDelete(scope.row)"
              v-if="permissiones(['system:role:remove'])"
            >删除</el-button>
            <el-divider direction="vertical"></el-divider>
            <el-dropdown
              @command="(command) => handleCommand(command, scope.row)"
              v-if="permissiones(['system:role:edit'])"
            >
              <span>
                <i class="iconfont icon-more"></i>更多
              </span>
              <template #dropdown>
                <el-dropdown-menu>
                  <el-dropdown-item
                    command="handleDataScope"
                    v-if="permissiones(['system:role:edit'])"
                  >
                    <i class="iconfont icon-wancheng"></i>
                    数据权限
                  </el-dropdown-item>
                  <el-dropdown-item
                    command="handleAuthUser"
                    v-if="permissiones(['system:role:edit'])"
                  >
                    <i class="iconfont icon-user"></i>
                    分配用户
                  </el-dropdown-item>
                </el-dropdown-menu>
              </template>
            </el-dropdown>
          </template>
        </el-table-column>
      </el-table>

      <pagination
        v-show="total > 0"
        :total="total"
        :page.sync="queryParams.pageNum"
        :limit.sync="queryParams.pageSize"
        @pagination="getList"
      />

      <!-- 添加或修改角色配置对话框 -->
      <el-dialog
        :title="title"
        v-model="open"
        width="500px"
        append-to-body
        :close-on-click-modal="false"
      >
        <el-form ref="form" :model="form" :rules="rules" label-width="100px">
          <el-form-item label="角色名称" prop="roleName">
            <el-input v-model="form.roleName" placeholder="请输入角色名称"/>
          </el-form-item>
          <el-form-item prop="roleKey" label="权限字符">
            <template #label>
              <el-tooltip placement="top">
                <template #content>控制器中定义的权限字符，如：@PreAuthorize(`@ss.hasRole('admin')`)</template>
                <i class="iconfont icon-quanxian"></i>
              </el-tooltip>权限字符
            </template>
            <el-input v-model="form.roleKey" placeholder="请输入权限字符"/>
          </el-form-item>
          <el-form-item label="角色顺序" prop="roleSort">
            <el-input-number v-model="form.roleSort" controls-position="right" :min="0"/>
          </el-form-item>
          <el-form-item label="状态">
            <el-radio-group v-model="form.status">
              <el-radio label="0">正常</el-radio>
              <el-radio label="1">停用</el-radio>
            </el-radio-group>
          </el-form-item>
          <el-form-item label="菜单权限">
            <el-checkbox
              v-model="menuExpand"
              @change="handleCheckedTreeExpand($event, 'menu')"
            >展开/折叠</el-checkbox>
            <el-checkbox
              v-model="menuNodeAll"
              @change="handleCheckedTreeNodeAll($event, 'menu')"
            >全选/全不选</el-checkbox>
            <el-checkbox
              v-model="form.menuCheckStrictly"
              @change="handleCheckedTreeConnect($event, 'menu')"
            >父子联动</el-checkbox>
            <el-tree
              class="tree-border"
              :data="menuOptions"
              show-checkbox
              ref="menu"
              node-key="id"
              :check-strictly="!form.menuCheckStrictly"
              empty-text="加载中，请稍候"
              :props="defaultProps"
            ></el-tree>
          </el-form-item>
          <el-form-item label="备注">
            <el-input v-model="form.remark" type="textarea" placeholder="请输入内容"></el-input>
          </el-form-item>
        </el-form>
        <template #footer>
          <span class="dialog-footer">
            <el-button type="primary" @click="submitForm">确 定</el-button>
            <el-button @click="cancel">取 消</el-button>
          </span>
        </template>
      </el-dialog>

      <!-- 分配角色数据权限对话框 -->
      <el-dialog
        :title="title"
        v-model="openDataScope"
        width="500px"
        append-to-body
        :close-on-click-modal="false"
      >
        <el-form :model="form" label-width="80px">
          <el-form-item label="角色名称">
            <el-input v-model="form.roleName" :disabled="true"/>
          </el-form-item>
          <el-form-item label="权限字符">
            <el-input v-model="form.roleKey" :disabled="true"/>
          </el-form-item>
          <el-form-item label="权限范围">
            <el-select v-model="form.dataScope" @change="dataScopeSelectChange">
              <el-option
                v-for="item in dataScopeOptions"
                :key="item.value"
                :label="item.label"
                :value="item.value"
              ></el-option>
            </el-select>
          </el-form-item>
          <el-form-item label="数据权限" v-show="form.dataScope == 2">
            <el-checkbox
              v-model="deptExpand"
              @change="handleCheckedTreeExpand($event, 'dept')"
            >展开/折叠</el-checkbox>
            <el-checkbox
              v-model="deptNodeAll"
              @change="handleCheckedTreeNodeAll($event, 'dept')"
            >全选/全不选</el-checkbox>
            <el-checkbox
              v-model="form.deptCheckStrictly"
              @change="handleCheckedTreeConnect($event, 'dept')"
            >父子联动</el-checkbox>
            <el-tree
              class="tree-border"
              :data="deptOptions"
              show-checkbox
              default-expand-all
              ref="dept"
              node-key="id"
              :check-strictly="!form.deptCheckStrictly"
              empty-text="加载中，请稍候"
              :props="defaultProps"
            ></el-tree>
          </el-form-item>
        </el-form>
        <template #footer>
          <span class="dialog-footer">
            <el-button type="primary" @click="submitDataScope">确 定</el-button>
            <el-button @click="cancelDataScope">取 消</el-button>
          </span>
        </template>
      </el-dialog>
    </div>
  </div>
</template>

<script>
//引入消息弹出框
import { ElMessageBox, ElMessage } from "element-plus";
import {
  listRole,
  getRole,
  delRole,
  addRole,
  updateRole,
  dataScope,
  changeRoleStatus,
  roleExport
} from "@/api/system/role";
import {
  treeselect as menuTreeselect,
  roleMenuTreeselect
} from "@/api/system/menu";
import {
  treeselect as deptTreeselect,
  roleDeptTreeselect
} from "@/api/system/dept";
import { hasPermi } from "@/utils/auth.js";
//分页
import Pagination from "@/components/Pagination/index.vue";
export default {
  name: "Role",
  dicts: ["sys_normal_disable"],
  components: {
    Pagination
  },
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 角色表格数据
      roleList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 是否显示弹出层（数据权限）
      openDataScope: false,
      menuExpand: false,
      menuNodeAll: false,
      deptExpand: true,
      deptNodeAll: false,
      // 日期范围
      dateRange: [],
      // 数据范围选项
      dataScopeOptions: [
        {
          value: "1",
          label: "全部数据权限"
        },
        {
          value: "2",
          label: "自定数据权限"
        },
        {
          value: "3",
          label: "本部门数据权限"
        },
        {
          value: "4",
          label: "本部门及以下数据权限"
        },
        {
          value: "5",
          label: "仅本人数据权限"
        }
      ],
      // 菜单列表
      menuOptions: [],
      // 部门列表
      deptOptions: [],
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        roleName: "",
        roleKey: "",
        status: ""
      },
      // 表单参数
      form: {},
      defaultProps: {
        children: "children",
        label: "label"
      },
      // 表单校验
      rules: {
        roleName: [
          {
            required: true,
            message: "角色名称不能为空",
            trigger: "blur"
          }
        ],
        roleKey: [
          {
            required: true,
            message: "权限字符不能为空",
            trigger: "blur"
          }
        ],
        roleSort: [
          {
            required: true,
            message: "角色顺序不能为空",
            trigger: "blur"
          }
        ]
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询角色列表 */
    getList() {
      this.loading = true;
      listRole({
        ...this.queryParams,
        beginTime: this.dateRange ? this.dateRange[0] : null,
        endTime: this.dateRange ? this.dateRange[1] : null
      }).then(response => {
        this.roleList = response.rows;
        this.total = response.total;
        this.loading = false;
      }).catch(err=>{
        this.$message.error(err.msg)
      });
    },
    /**权限问题 */
    permissiones(value) {
      return hasPermi(value);
    },
    /** 查询菜单树结构 */
    getMenuTreeselect() {
      menuTreeselect().then(response => {
        this.menuOptions = response.data;
      });
    },
    /** 查询部门树结构 */
    getDeptTreeselect() {
      deptTreeselect().then(response => {
        this.deptOptions = response.data;
      });
    },
    // 所有菜单节点数据
    getMenuAllCheckedKeys() {
      // 目前被选中的菜单节点
      let checkedKeys = this.$refs.menu.getCheckedKeys();
      // 半选中的菜单节点
      let halfCheckedKeys = this.$refs.menu.getHalfCheckedKeys();
      checkedKeys.unshift.apply(checkedKeys, halfCheckedKeys);
      return checkedKeys;
    },
    // 所有部门节点数据
    getDeptAllCheckedKeys() {
      // 目前被选中的部门节点
      let checkedKeys = this.$refs.dept.getCheckedKeys();
      // 半选中的部门节点
      let halfCheckedKeys = this.$refs.dept.getHalfCheckedKeys();
      checkedKeys.unshift.apply(checkedKeys, halfCheckedKeys);
      return checkedKeys;
    },
    /** 根据角色ID查询菜单树结构 */
    getRoleMenuTreeselect(roleId) {
      return roleMenuTreeselect(roleId).then(response => {
        this.menuOptions = response.menus;
        return response;
      });
    },
    /** 根据角色ID查询部门树结构 */
    getRoleDeptTreeselect(roleId) {
      return roleDeptTreeselect(roleId).then(response => {
        this.deptOptions = response.depts;
        return response;
      });
    },
    // 角色状态修改
    handleStatusChange(row) {
      let text = row.status === "0" ? "启用" : "停用";
      ElMessageBox.confirm('确认要"' + text + '""' + row.roleName + '"角色吗？')
        .then(function() {
          return changeRoleStatus(row.roleId, row.status);
        })
        .then(() => {
          ElMessage({
            type: "success",
            message: text + "成功"
          });
        })
        .catch(function() {
          row.status = row.status === "0" ? "1" : "0";
        });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 取消按钮（数据权限）
    cancelDataScope() {
      this.openDataScope = false;
      this.reset();
    },
    // 表单重置
    reset() {
      if (this.$refs.menu != undefined) {
        this.$refs.menu.setCheckedKeys([]);
      }
      (this.menuExpand = false),
        (this.menuNodeAll = false),
        (this.deptExpand = true),
        (this.deptNodeAll = false),
        (this.form = {
          roleId: undefined,
          roleName: undefined,
          roleKey: undefined,
          roleSort: 0,
          status: "0",
          menuIds: [],
          deptIds: [],
          menuCheckStrictly: true,
          deptCheckStrictly: true,
          remark: undefined
        });
      // this.resetForm('form')
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.dateRange = [];
      this.$refs.queryForm.resetFields();
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.roleId);
      this.single = selection.length != 1;
      this.multiple = !selection.length;
    },
    // 更多操作触发
    handleCommand(command, row) {
      switch (command) {
        case "handleDataScope":
          this.handleDataScope(row);
          break;
        case "handleAuthUser":
          this.handleAuthUser(row);
          break;
        default:
          break;
      }
    },
    // 树权限（展开/折叠）
    handleCheckedTreeExpand(value, type) {
      if (type == "menu") {
        let treeList = this.menuOptions;
        for (let i = 0; i < treeList.length; i++) {
          this.$refs.menu.store.nodesMap[treeList[i].id].expanded = value;
        }
      } else if (type == "dept") {
        let treeList = this.deptOptions;
        for (let i = 0; i < treeList.length; i++) {
          this.$refs.dept.store.nodesMap[treeList[i].id].expanded = value;
        }
      }
    },
    // 树权限（全选/全不选）
    handleCheckedTreeNodeAll(value, type) {
      if (type == "menu") {
        this.$refs.menu.setCheckedNodes(value ? this.menuOptions : []);
      } else if (type == "dept") {
        this.$refs.dept.setCheckedNodes(value ? this.deptOptions : []);
      }
    },
    // 树权限（父子联动）
    handleCheckedTreeConnect(value, type) {
      if (type == "menu") {
        this.form.menuCheckStrictly = value ? true : false;
      } else if (type == "dept") {
        this.form.deptCheckStrictly = value ? true : false;
      }
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.getMenuTreeselect();
      this.open = true;
      this.title = "添加角色";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const roleId = row.roleId || this.ids;
      const roleMenu = this.getRoleMenuTreeselect(roleId);
      getRole(roleId)
        .then(response => {
          this.form = response.data;
          this.open = true;
          this.$nextTick(() => {
            roleMenu.then(res => {
              let checkedKeys = res.checkedKeys;
              checkedKeys.forEach(v => {
                this.$nextTick(() => {
                  this.$refs.menu.setChecked(v, true, false);
                });
              });
            });
          });
          this.title = "修改角色";
        })
        .catch(err => {
          this.$message.error(err.msg);
        });
    },
    /** 选择角色权限范围触发 */
    dataScopeSelectChange(value) {
      if (value !== "2") {
        this.$refs.dept.setCheckedKeys([]);
      }
    },
    /** 分配数据权限操作 */
    handleDataScope(row) {
      this.reset();
      const roleDeptTreeselect = this.getRoleDeptTreeselect(row.roleId);
      getRole(row.roleId).then(response => {
        this.form = response.data;
        this.openDataScope = true;
        this.$nextTick(() => {
          roleDeptTreeselect.then(res => {
            this.$refs.dept.setCheckedKeys(res.checkedKeys);
          });
        });
        this.title = "分配数据权限";
      });
    },
    /** 分配用户操作 */
    handleAuthUser: function(row) {
      const roleId = row.roleId;
      this.$router.push("/system/role-auth/user/" + roleId);
    },
    /** 提交按钮 */
    submitForm: function() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.roleId != undefined) {
            this.form.menuIds = this.getMenuAllCheckedKeys();
            updateRole(this.form)
              .then(response => {
                this.$message.success(response.msg);
                this.open = false;
                this.getList();
              })
              .catch(err => {
                this.$message.error(err.msg);
              });
          } else {
            this.form.menuIds = this.getMenuAllCheckedKeys();
            addRole(this.form)
              .then(response => {
                this.$message.success(response.msg);
                this.open = false;
                this.getList();
              })
              .catch(err => {
                this.$message.error(err.msg);
              });
          }
        }
      });
    },
    /** 提交按钮（数据权限） */
    submitDataScope: function() {
      if (this.form.roleId != undefined) {
        this.form.deptIds = this.getDeptAllCheckedKeys();
        dataScope(this.form).then(response => {
          this.$message.success("修改成功");
          this.openDataScope = false;
          this.getList();
        });
      }
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const roleIds = row.roleId || this.ids;
      ElMessageBox.confirm(
        '是否确认删除角色编号为"' + roleIds + '"的数据项？',
        "提示",
        {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }
      )
        .then(function() {
          return delRole(roleIds);
        })
        .then(() => {
          this.getList();
          ElMessage({
            type: "success",
            message: "删除成功"
          });
        })
        .catch(() => {
          this.$message.info("已取消");
        });
    },
    /** 导出按钮操作 */
    handleExport() {
      roleExport()
        .then(res => {
          const link = document.createElement("a");
          let blob = new Blob([res], {
            type: res.type
          });
          link.style.display = "none";
          link.href = URL.createObjectURL(blob);
          link.setAttribute("download", "角色管理统计");
          document.body.appendChild(link);
          link.click();
          document.body.removeChild(link);
        })
        .catch(err => {
          this.$message.error("导出失败");
        });
    }
  }
};
</script>
<style lang="less" scoped></style>
